19842372

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 55429920

約数和(自身を除く): 35587548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 89, 99, 132, 178, 198, 267, 356, 396, 534, 563, 801, 979, 1068, 1126, 1602, 1689, 1958, 2252, 2937, 3204, 3378, 3916, 5067, 5874, 6193, 6756, 8811, 10134, 11748, 12386, 17622, 18579, 20268, 24772, 35244, 37158, 50107, 55737, 74316, 100214, 111474, 150321, 200428, 222948, 300642, 450963, 551177, 601284, 901926, 1102354, 1653531, 1803852, 2204708, 3307062, 4960593, 6614124, 9921186, 19842372]

約数ペア:

[(1, 19842372), (2, 9921186), (3, 6614124), (4, 4960593), (6, 3307062), (9, 2204708), (11, 1803852), (12, 1653531), (18, 1102354), (22, 901926), (33, 601284), (36, 551177), (44, 450963), (66, 300642), (89, 222948), (99, 200428), (132, 150321), (178, 111474), (198, 100214), (267, 74316), (356, 55737), (396, 50107), (534, 37158), (563, 35244), (801, 24772), (979, 20268), (1068, 18579), (1126, 17622), (1602, 12386), (1689, 11748), (1958, 10134), (2252, 8811), (2937, 6756), (3204, 6193), (3378, 5874), (3916, 5067)]